#include <WiFiClientSecure.h>

const char* ssid     = "Wokwi-GUEST";     // your network SSID (name of wifi network)
const char* password = ""; // your network password

const char*  server = "outlook.live.com";  // Server URL

const String monthArray[12] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};

WiFiClientSecure client;

const int eventCount = 12;
String events[eventCount][2];

void setup() {
  //Initialize serial and wait for port to open:
  Serial.begin(115200);
  delay(100);

  Serial.print("Attempting to connect to SSID: ");
  Serial.println(ssid);
  WiFi.begin(ssid, password);

  // attempt to connect to Wifi network:
  while (WiFi.status() != WL_CONNECTED) {
    Serial.print(".");
    // wait 1 second for re-trying
    delay(1000);
  }

  Serial.print("Connected to ");
  Serial.println(ssid);

  Serial.println("\nStarting connection to server...");
  client.setInsecure();//skip verification
  if (!client.connect(server, 443))
    Serial.println("Connection failed!");
  else {
    Serial.println("Connected to server!");
    // Make a HTTP request:
    client.println("GET xxxxx/calendar.ics HTTP/1.1");
    client.println("Host: outlook.live.com");
    client.println("User-Agent: Wget/1.21.3");
    client.println("Accept: */*");
    client.println("Accept-Encoding: identity");
    client.println("Connection: Keep-Alive");
    client.println();
    String summary;
    String date;
    int evtCount=0;
    bool newEvent = false;
    while (client.connected()) {
      String line = client.readStringUntil('\n');
      if (line.indexOf("END:VEVENT") >= 0) {
          //newEvent = false;
          if (date.toInt() >= 20220913) {
            events[evtCount][0]=monthArray[date.substring(4,6).toInt()-1] + " " + date.substring(6,8).toInt();;
            events[evtCount][1]=summary;
            evtCount++;
          }
      }
      if (line.indexOf("SUMMARY:") >= 0) {
          int index = line.indexOf(':');
          summary = line.substring(index + 1);
          summary.replace("\\,", ",");
          
      }
      if (line.indexOf("DTSTART;") >= 0) {
          int index = line.indexOf(':');
          date = line.substring(index + 1,index + 9);
          
      }
      if (line.indexOf("END:VCALENDAR") >= 0) {
        break;
      }
      if (evtCount == eventCount) {
        break;
      }
    }
    Serial.println("Stopping client");
    client.stop();

    for ( int i = 0; i < eventCount; ++i ) {
      Serial.print("eventCount ");
      Serial.print(i+1);
      Serial.print(" = ");
      Serial.print(events[i][0]);
      Serial.print(" : ");
      Serial.println(events[i][1]);
    }

  }
}

void loop() {
  // do nothing
  delay(10);
}